必修四 Unit 2 重点词汇.ppt

必修四_Unit_2_重点词汇Unit 2
Working the land
Period 1
Important words& expressions
学****提纲:
话题 Important people,history and methods of agriculture(农业科学家、农业的历史和农业耕作)
功能 Persuasion(说服;劝说)
语法 The v.­ing form as the Subject and Object(动词的­ing形式作主语和宾语的用法)
重点单词 struggle,decade,hunger,disturbing,super,output,circulate,expand,battle,freedom,therefore,equip,export,chemical,confuse,regret,mineral,focus,reduce,rid,production,bacteria,summary,nutrition,skim,ment, statistic
occupation, although,
重点短语
rid...of,be satisfied with,thanks to,would rather,build up,lead to,focus on,keep...free from/of
重点句型
1. If so, what did you do to grow them?
如果这样,你做什么来种植它们?
such as peas or soybeans put important
minerals back into the soil, making it ready for crops
such as wheat or corn that need rich and fertile soil.
像豌豆和大豆这样的农作物将重要的矿物质带回土壤,从而使之适宜于种植要求土壤肥沃的农作物比如玉米和小麦。
would much rather keep time for his hobbies.
他宁愿把时间花在自己的爱好上。
his hybrid rice farmers are producing harvests twice as large as before.
使用这种杂交水稻,农民们现在的收成是原来的两倍了。
special strain of rice make it possible to produce one­third more of the crop in the same fields.
这种特殊的水稻使得在同一块农田里多生产三分之一的庄稼成为了可能。
Yuan searched for a way to increase rice harvests without expanding the area of the fields.
袁隆平博士不用扩大土地面积而寻找到一条增长稻米产量的方法。
into a poor farmer's family in 1931,Dr Yuan graduated from Southwest Agriculture College in 1953.
袁隆平博士1931年出生在一个贫穷的农民家庭,1953年毕业于西南农业大学。
8. What do you think would happen if tomorrow
there was suddenly no rice to eat?
如果明天突然没有米吃了,你认为将会发生什么?
Yuan Longping grows what is called super hybrid rice.
袁隆平博士种植的是被称为“超级杂交水稻”的稻种。
to his research,the UN has more tools in the battle to rid the world of hunger.
记忆有方
sunburnt
get sunburnt
for sth.
to do sth.
satisfied with
regret
doing sth.
to do sth.
build up
6. 导致;造成(后果)→contribute to 导致
7. ... 使……免受(影响、伤害等);
使……不含(有害物)→be free from/of免受……
lead to
keep
free from/of
hunger
hungry
disturbing
freedom
equipment
occupy
chemical
nutr